Product selling points: 1. Use , quality is guaranteed 2. High current 30A relay 3. APP remote control, HD full view display 4. Alarm notification, cloud record, remote firmware upgrade 5. Wide range of applications Parameter: Input power supply: AC110-220V Output type: output (AC110-220V) Probe Model: 10K NTC 3950B Probe length: 2 meters waterproof probe Maximum control: power 4000W or less Additional features: Buzzer alert + backlight control Temperature control range: -40~110C Temperature control accuracy: 0.1C Temperature measurement range: -40~110C Tips: The product may be updated constantly, The Actual Product May Have Slight Differences Or Color Differences the color and appearance may be changed, please don't mind. And take a consideration before place the order if you have request for color or appearance. type: A-SA30 (Without WIFI) Material: ABS colour: gray Package Contents: 1 x Intelligent temperature controller Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.